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609939007 = 19971731913
BaseRepresentation
bin100100010110101…
…110111000111111
31120111201010000121
4210112232320333
52222121022012
6140305035411
721054252556
oct4426567077
91514633017
10609939007
11293327227
12150325b67
1399498772
145b012d9d
1538832a07
hex245aee3f

609939007 has 16 divisors (see below), whose sum is σ = 652750560. Its totient is φ = 568276992.

The previous prime is 609938977. The next prime is 609939059. The reversal of 609939007 is 700939906.

It is a cyclic number.

It is not a de Polignac number, because 609939007 - 219 = 609414719 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (609939307) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 317883 + ... + 319795.

It is an arithmetic number, because the mean of its divisors is an integer number (40796910).

Almost surely, 2609939007 is an apocalyptic number.

609939007 is a deficient number, since it is larger than the sum of its proper divisors (42811553).

609939007 is a wasteful number, since it uses less digits than its factorization.

609939007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2202.

The product of its (nonzero) digits is 91854, while the sum is 43.

The square root of 609939007 is about 24696.9432723971. The cubic root of 609939007 is about 848.0643413971.

The spelling of 609939007 in words is "six hundred nine million, nine hundred thirty-nine thousand, seven".

Divisors: 1 19 97 173 1843 1913 3287 16781 36347 185561 318839 330949 3525659 6288031 32102053 609939007